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Semin

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  1. 1

    Peridynamic simulation of permafrost thawing around an inclined mine working by Mikhail Semin

    Published 2025-07-01

    This study examines unsteady heat transfer in the soil mass surrounding an inclined access mine working. Initially, the soils are considered frozen, but due to contact with warmer air entering the mine during summer, they undergo seasonal thawing. The primary challenge in the calculation of heat tra...

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  2. 2

    DOMESTIC AND FOREIGN EXPERIENCE ANALYSIS OF PLANNING AND REGULATORY RESEARCH IN PHARMACEUTICALS by A. A. SEMIN

    Published 2017-09-01

    Aim. To conduct an analysis of the management of innovation activities for innovative medicines market launch in Russia and abroad.Material and Methods. The methods of cognition (including methods of empirical (observation, comparison) and theoretical research (analysis, synthesis, aggregation)), ex...

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  3. 3

    Signs of incompatibility of grafting components in scion-rootstock combinations of pear with common quince by I. V. Semin

    Published 2023-10-01

    Relevance. In the middle zone of Russia, industrial cultivation of pear fruits is almost not produced due to the lack of intensive rootstocks. In regions with a mild climate, this problem has long been solved by grafting pears on common quince, but in more northern regions, quince is not hardy enoug...

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  4. 4

    Title not available by Semin, Benoît, Pétrelis, François

    Published 2024-09-01

    The quasi-biennial oscillation (QBO) is an oscillation of the wind in the equatorial stratosphere. This wind is a mean flow induced by atmospheric waves, including internal gravity waves, which explain that the period (28 month) is not linked to any astrophysical forcing. This oscillation has only b...

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  5. 5

    THE ROLE OF SMALL INNOVATIVE ENTERPRISES IN THE DEVELOPMENT AND MARKET LAUNCH OF INNOVATIVE DRUGS by A. A. Semin, I. A. Narkevich

    Published 2019-01-01

    The features of new products market launch by small innovative enterprises are the theme for careful study. The reason is the problems that Russia has nowadays - the need for reindustrialization, the economic diversification and the import substitution for improving the competitiveness of domestic p...

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  6. 6

    THE ANALYSIS OF THE ACTIVITIES OF THE CENTERS FOR THE DEVELOPMENT OF DRUGS, CREATED ON THE BASIS OF EDUCATIONAL ORGANIZATIONS by A. A. Semin, I. A. Narkevich

    Published 2019-01-01

    The analysis of educational institutions’ material and technical base, that implement applied research and development in the field of innovative medicines, was released. The directions for intensification and internationalization of such centers of innovative drugs development were offered, one of...

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  7. 7

    SUBSTANTIATION OF THE PROSPECTS FOR STUDYING NATURAL COMPOUNDS AS A SOURCE OF DRUG DEVELOPMENT FOR THE CORRECTION OF FAT AND CARBOHYDRATE METABOLISM by S. Yu. Fabrichniy, A. A. Semin, I. A. Narkevich

    Published 2019-01-01

    Currently, the key problem in the field of drug provision for the population of the Russian Federation is the lack of affordable and high-quality domestic drugs for the treatment of diseases associated with violations of fat and carbohydrate metabolism. At the same time, highly developed countries h...

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  8. 8

    Prospects for the use of intensive rootstock for cultivation of pear cultivars in the conditions of Central Russia by I. V. Semin, E. A. Dolmatov, Z. E. Ozherelieva

    Published 2020-10-01

    Relevance. Unfortunately, there are no intensive pear plantations in the central regions of Russia due to the absence of intensive dwarf rootstocks. Therefore, the research aimed at obtaining winter-hardy rootstocks that provides early industrial fruiting of gardens, limits plant growth and gives a...

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  9. 9

    SCREENING OF THE SAMPLES OF SUDAN GRASS VARIETIES IN THE SARATOV REGION by S. S. Kukoleva, D. S. Semin, O. P. Kibalnik, V. I. Starchak

    Published 2018-06-01

    The article presents the study results of the collection ofSudangrass on green chop and dry matter productivity. The purpose of the study is a clustering and determining of the samples ofSudangrass varieties according to the main economic traits for the further use in the selection on heterosis. To...

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  10. 10

    Euler characteristic of splitting diagrams of multicomponent multiphase systems by L. A. Serafimov, A. V. Frolkova, G. A. Semin

    Published 2015-02-01

    The analysis of splitting diagrams of multicomponent multiphase systems was made. Euler characteristics was considered as topological invariant of phase diagram of liquid-liquid equilibrium. It was established that a certain value of the Euler characteristics corresponds to each type of splitting di...

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  11. 11

    CONFIGURATION OF THE CONCENTRATION SIMPLEXES OF MULTICOMPONENT SYSTEMS by L. A. Serafimov, A. V. Frolkova, G. A. Semin

    Published 2013-08-01

    The article deals with the configuration of the concentration simplexes of multicomponent mixtures and its different representations. The analysis of the phase diagram of a five-component mixture was made.

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  12. 12

    Assessment of drought resistance in sorghum CMS lines based on various sterility sources by O. P. Kibalnik, T. V. Larina, O. B. Kameneva, D. S. Semin

    Published 2021-12-01

    Background. Global climate changes have recently led to a more frequent occurrence of adverse factors and a decrease in the productivity of major crops. Sorghum is a highly drought-resistant crop that can tolerate long-term soil and air droughts with much lower harvest losses than wheat or barley. I...

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  13. 13

    The comparative analysis of the fields of scientific researches in the domestic and foreign theses on psychiatry (1992-2015) by V. I. Evdokimov, V. K. Shamrey, E. I. Chekhlaty, S. A. Semin

    Published 2018-07-01

    The carried-out retrieval revealed 2326 theses in 14.01.06 (14.00.18) «Psychiatry». In 1992-2015 about 97±6 theses were presented annually to dissertation councils of Russia. Doctor’s degree works there were 16.9%, candidate - 81.3%. Works on psychiatry made 2.5% of total medical ones in Russia. Ret...

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  14. 14

    ACCELERATED HYPERFRACTIONATED DAY DOSE CHART CHEMORADIATION TREATMENT OF PATIENTS WITH CANCER OF OROPHARYNX AND ORAL CAVITY by M. U. Radzhapova, L. A. Gulidov, Yu. S. Mardynskiy, D. Yu. Semin

    Published 2016-02-01

    The main treatment failures of cancer of the oropharynx and oral cavity are associated with the treatment of advanced (III–IV) stages of the disease, incidence of which is extremely high. The treatment toxicity increases and quality of life reduces with increasing aggressiveness of anticancer therap...

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  15. 15

    Score-Predictive Scale for Assessing the Risk of Inguinal and Femoral Hernias Incarceration by B. V. Sigua, V. P. Zemlyanoy, A. A. Kozobin, D. S. Semin

    Published 2021-11-01

    Today, algorithms have been developed for actions after excluding hernia incarceration directly during the patient’s hospitalization, but there are no clear recommendations for how to proceed: to offer surgery in this hospitalization or  to recommend planned surgical treatment. To answer this questi...

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  16. 16

    The method of ‘main component’ in the grain sorghum breeding for arid conditions of the lower Volga region by V. I. Starchak, О. P. Kibalnik, Т. V. Larina, D. S. Semin

    Published 2021-07-01

    In the breeding process of agricultural crops, including sorghum, the use of multivariate statistics methods makes it possible to determine the correlation between morphometric traits, yield elements and biochemical parameters of grain in the model population, as well as to identify the load of hypo...

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  17. 17

    Prognostic Score for Assessing the Risk of Incisional Ventral Hernias Strangulation by B. V. Sigua, V. P. Zemlyanoy, A. A. Kozobin, D. S. Semin

    Published 2022-01-01

    The problem of treatment for strangulated incisional hernia does not lose its relevance due to the large number of postoperative complications and high mortality rates, which significantly exceed these indicators in selective surgery. One of the solutions to this problem is to identify patients with...

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  18. 18
  19. 19

    Residue curve maps of 4-component systems. Singular point type determination for a 4-component azeotrope and the sets of feasible structures by L. A. Serafimov, A. V. Frolkova, D. V. Medvedev, G. A. Semin

    Published 2011-06-01

    A method of singular point type determination for a 4-component azeotrope is proposed. The method deals with 2-dimensional structures known to be boundary surfaces of the residue curve map.

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  20. 20

    Residue curve maps of 4-component systems. Poincare index determination for 4-component azeotrope by L. A. Serafimov, A. V. Frolkova, D. V. Medvedev, G. A. Semin

    Published 2011-04-01

    A method of Poincare index determination for a singular point corresponding to a 4-component azeotrope is proposed. The method is based on the equation of azeotropic relationship. 2-Dimensional diagram covering the 3-dimensional residue curve map as a surface is meant to be given originally.

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